Estimation apparatus, estimation method and program
US-2026092808-A1 · Apr 2, 2026 · US
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Nishizawa Hideki patents
Nishizawa Hideki is listed as an inventor on 57 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Nishizawa Hideki |
| Total patents | 57 |
| First publication | Mar 8, 2018 |
| Latest publication | Apr 2, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Connection node apparatus, optical transmission system, and connection method
US-12574666-B2 · Mar 10, 2026 · US
Optical power distribution estimation apparatus, optical power distribution estimation method, and computer program
US-2026058725-A1 · Feb 26, 2026 · US
Optical power distribution estimation apparatus, optical power distribution estimation method, and computer program
US-2026058726-A1 · Feb 26, 2026 · US
Optical transmission system and optical path setting/congestion control method
US-2026039379-A1 · Feb 5, 2026 · US
Optical transmission system and transmission mode selecting method
US-2026039389-A1 · Feb 5, 2026 · US
Optical transport system, orchestrator, control method, and storage medium of control program
US-12538052-B2 · Jan 27, 2026 · US
Optical power distribution estimation apparatus, optical power distribution estimation method, and computer program
US-2026025202-A1 · Jan 22, 2026 · US
Connection optimization device, connection optimization method, and program
US-12513047-B2 · Dec 30, 2025 · US
Quantum key distribution system, quantum key distribution method and quantum key distribution program
US-12512972-B2 · Dec 30, 2025 · US
Recent patents
Latest publications not already listed above.
Intermediate apparatus, communication method, and program
US-12483622-B2 · Nov 25, 2025 · US
Optical transmission system and transmission mode selecting method
US-12457040-B2 · Oct 28, 2025 · US
Optical short pulse generator, optical short pulse generation method, and program
US-2025321460-A1 · Oct 16, 2025 · US
Optical transmission system and control signal transmitting and receiving method
US-2025317234-A1 · Oct 9, 2025 · US
Communication system, computing machine, communication method and program
US-12407755-B2 · Sep 2, 2025 · US
Communication system, computing machine, communication method and program
US-12363192-B2 · Jul 15, 2025 · US
Communication apparatus, relay apparatus, communication system, communication method, and program
US-12341673-B2 · Jun 24, 2025 · US
Measurement apparatus, management system, and measurement method
US-2025141546-A1 · May 1, 2025 · US
Optical pulse generator and generation method
US-2025112694-A1 · Apr 3, 2025 · US
Processing system, processing apparatus, processing method and program
US-2025094371-A1 · Mar 20, 2025 · US
Communication system, computing machine, communication method and program
US-2025039262-A1 · Jan 30, 2025 · US
Optical and electronic integrated switch
US-2024422097-A1 · Dec 19, 2024 · US
Communication system, intermediate apparatus, communication method, and program
US-2024414092-A1 · Dec 12, 2024 · US
Intermediate apparatus, communication method, and program
US-2024394215-A1 · Nov 28, 2024 · US
Communication system, computer, communication method and program
US-2024385986-A1 · Nov 21, 2024 · US
Quantum key distribution system, quantum key distribution method, and quantum key distribution program
US-2024372713-A1 · Nov 7, 2024 · US
Communication system, computer, communication method, and program
US-2024357008-A1 · Oct 24, 2024 · US
Optical and electronic integrated switch
US-12107762-B2 · Oct 1, 2024 · US
Optical transmission system and transmission mode selecting method
US-2024235690-A9 · Jul 11, 2024 · US
Optical communication network management apparatus
US-12034484-B2 · Jul 9, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Telegraph & Telephone | 45 |
| Ntt Inc | 13 |
| Ntt Electronics Corp | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04Q11/0005 | 9 |
| H04L45/56 | 9 |
| H04B10/516 | 8 |
| H04L67/1097 | 6 |
| H04B10/27 | 6 |